2002 Governor · NY
SurveyUSA · fieldwork ended 2002-10-15 (21 days before the election) · 567 respondents · IVR
The poll said
Democrat 29% · Republican 45%
R+16.0
The certified result
Democrat 30.77% · Republican 44.46%
R+13.7
The arithmetic
- Poll margin = 29 − 45 = -16.00
- Actual margin = 30.773 − 44.456 = -13.683
- Signed miss = -16.00 − (-13.683) = -2.317
- Absolute miss = |-2.317| = 2.317
The poll overstated the Republican by 2.3 points and had the right leader.
Where these numbers come from
Poll and result: 538 raw_polls.csv. Poll ID 54853, race ID 1404 (538 database).